Job Opening — System Administrator (Junior–Mid Level)

Job Opening — System Administrator (Junior–Mid Level)India — Full Remote — 35,000 INR / monthWe are a growing Portuguese company looking for a System Administrator who is motivated, reliable, and capable of improving and stabilizing our infrastructure. You will help manage our servers, assist our development team, and set up secure environments for remote workers.Important : Our developers are strong, but they do not have deep experience in PostgreSQL and server-level debugging. We need someone able to solve issues the development team cannot handle. Responsibilities 1. Linux & VPS Management (Contabo) Configure, monitor, and maintain Linux VPS serversCreate and manage virtual servers on ContaboManage users, SSH, roles, and secure accessOptimize performance, memory, CPU, and services2. PostgreSQL Administration Diagnose slow queries, locks, deadlocks, and connection issuesTune PostgreSQL for OdooMonitor performance and prevent database crashesAssist developers with DB-related improvements3. Security & Encryption Configure SSL / TLS certificatesFirewall management (UFW, iptables, etc.)VPN setup for remote teams (WireGuard / OpenVPN)Apply basic security hardening on servers4. Windows Virtual Servers for Remote Employees (Important) You will be responsible for building and maintaining online Windows environments so that our remote workers do not use their personal machines.This includes : Creating Windows virtual machines (VMs) on ContaboSetting up RDP access for each employeeManaging user accounts and permissionsEnsuring secure access with firewalls & VPNInstalling required apps and updatesManaging snapshots & backupsEnsuring good performance for daily work tasks(If you know Active Directory , it is a bonus, but not required.)5. Odoo Support (Server-Side) Monitor logs, workers, longpollingRestart services and fix basic issuesCoordinate with hosting provider in case of crashes6. Internal Support & System Improvement Help the team improve processesWrite simple documentationAutomate basic tasks (cron jobs, scripts)Validate backups and stability of systemsRequirements Must Have Good Linux knowledge (Ubuntu preferred)Experience with VPS / cloud servers (Contabo, AWS, DigitalOcean, etc.)Ability to set up and maintain Windows virtual machinesGood understanding of RDP, firewall rules, user permissionsPostgreSQL administration basicsBasic security knowledge (SSL, firewall, VPN)Ability to troubleshoot real problemsEnglish communication skillsAt least 4h overlap with Portuguese working hoursNice to Have Odoo experienceDocker basicsActive DirectoryBash / Python scriptingPrevious experience with remote work environments (VDI / RDP)Salary 35,000 INR / monthIdeal for a junior–mid level candidate with real hands-on experience.